Valle Redondo Threshold Days by Year (MXN00002070)

12 fixed thresholds counted per year at Valle Redondo (MXN00002070): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Valle Redondo Thresholds

Valle Redondo: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1978 with 28.
Valle Redondo: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 1974 with 153.
Valle Redondo: days with a maximum temperature at or above 35 C (95 F) in 16 years, most in 1979 with 72.
Valle Redondo: days with a maximum temperature at or above 90 F (32.2 C) in 16 years, most in 1979 with 95.
12 fixed thresholds have at least one qualifying day at Valle Redondo.

Days at or above 30 C (86 F)

16 years with a qualifying day

Days per year at Valle Redondo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 153 in 1974.

Days at or above 30 C (86 F) per year at Valle Redondo
Year	Days	Decade average
1936	123	123
1974	153	107.7
1975	31	107.7
1976	95	107.7
1977	114	107.7
1978	130	107.7
1979	123	107.7
1980	138	102.4
1981	111	102.4
1982	89	102.4
1983	84	102.4
1984	116	102.4
1985	104	102.4
1986	66	102.4
1987	108	102.4
1988	106	102.4

For each year, a bar from the first to the last day at Valle Redondo meeting 30 C (86 F).

First to last qualifying date each year at Valle Redondo
Year	First date	Last date
1936	1936-03-11	1936-11-18
1974	1974-04-13	1974-12-22
1975	1975-01-24	1975-11-25
1976	1976-01-15	1976-11-08
1977	1977-02-13	1977-12-06
1978	1978-03-17	1978-11-08
1979	1979-04-04	1979-12-06
1980	1980-01-24	1980-12-31
1981	1981-01-08	1981-11-04
1982	1982-04-19	1982-10-24
1983	1983-05-17	1983-11-03
1984	1984-01-30	1984-11-01
1985	1985-04-01	1985-11-03
1986	1986-01-27	1986-12-03
1987	1987-01-26	1987-11-21
1988	1988-02-09	1988-12-12

Every Fixed Threshold

Fixed thresholds at Valle Redondo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	16	153	1974	106
35 C (95 F): Days	16	72	1979	32
40 C (104 F): Days	14	24	1979	7
45 C (113 F): Days	4	5	1980	1
90 F (32.2 C): Days	16	95	1979	49
100 F (37.8 C): Days	16	47	1979	15
110 F (43.3 C): Days	5	7	1979	1
0 C (32 F): Frost days (min	14	24	1975	8
20 C (68 F): Tropical nights (min	14	28	1984	4
10 mm (0.39 in): Days with 10 mm or more rain	18	28	1978	8
25 mm (0.98 in): Days with 25 mm or more rain	14	5	1978	2
50 mm (1.97 in): Days with 50 mm or more rain	4	2	1978	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

Data for Valle Redondo threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Valle Redondo Threshold Days by Year (MXN00002070)

Key Facts for Valle Redondo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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